313021003212 has 18 divisors (see below), whose sum is σ = 791247535988. Its totient is φ = 104340334392.

The previous prime is 313021003189. The next prime is 313021003223. The reversal of 313021003212 is 212300120313.

313021003212 is a `hidden beast` number, since 3 + 130 + 210 + 0 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4347513898 + ... + 4347513969.

Almost surely, 2^313021003212 is an apocalyptic number.

It is an amenable number.

313021003212 is an abundant number, since it is smaller than the sum of its proper divisors (478226532776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313021003212 is a wasteful number, since it uses less digits than its factorization.

313021003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695027877 (or 8695027872 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 313021003212 its reverse (212300120313), we get a palindrome (525321123525).

The spelling of 313021003212 in words is "three hundred thirteen billion, twenty-one million, three thousand, two hundred twelve".